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United States Patent | 6,250,698 |
Aydelott | June 26, 2001 |
A method of handling internal components of a pulling chamber of a crystal-growing machine, and specialized tools for engaging such components. A connection mechanism includes a female receptacle that latches onto a tapered finger-like connection fixture extending upward from each of the tools. A specialized cart facilitates access to the pulling chamber and transports removed parts.
Inventors: | Aydelott; Richard M. (Vancouver, WA) |
Assignee: | SEH America, Inc. (Vancouver, WA) |
Appl. No.: | 561529 |
Filed: | April 28, 2000 |
Current U.S. Class: | 294/67.1; 294/93 |
Intern'l Class: | B66C 001/22 |
Field of Search: | 294/15,62,67.1,67.4,93-95,97,102.1,119.2 242/129,604,604.1 |
168707 | Oct., 1875 | Beach et al. | 294/67. |
181244 | Aug., 1876 | Campbell | 294/67. |
2278109 | Mar., 1942 | Karp et al. | 294/67. |
2286460 | Jun., 1942 | Brown | 242/129. |
2526725 | Oct., 1950 | Bronson | 294/67. |
2889169 | Jun., 1959 | Soncrant | 294/67. |
3139986 | Jul., 1964 | Strock | 242/129. |
3778000 | Dec., 1973 | Breuner et al. | 242/129. |
4068971 | Jan., 1978 | McNeill | 294/67. |
4350560 | Sep., 1982 | Helgeland et al. | |
5373805 | Dec., 1994 | Takano et al. |